@font-face{font-family:Space Grotesk;font-style:normal;font-weight:400 700;font-display:swap;src:url(/space-grotesk-latin.woff2)format("woff2")}:root{--pit:#0b0d12;--brand-accent:#9fe6bd;--brand-cell:#39445a;--display:"Space Grotesk", system-ui, -apple-system, sans-serif;--measure:34rem}*{box-sizing:border-box}body{background:var(--ground);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.6}h1,h2,h3{font-family:var(--display);letter-spacing:-.025em;text-wrap:balance;margin:0;font-weight:700;line-height:1.08}h1{font-size:clamp(2.4rem,6vw,4rem)}h2{font-size:clamp(1.9rem,4vw,2.8rem)}h3{font-size:clamp(1.3rem,2.4vw,1.7rem)}p,figure{margin:0}b,strong{color:var(--ink);font-weight:600}.says{color:var(--signal)}.note{color:var(--brass);font-family:var(--mono)}a{color:var(--signal)}.eyebrow{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--signal);margin:0 0 1.2rem;font-size:.72rem;display:inline-block}.eyebrow.music{color:var(--brass)}.wrap{max-width:1120px;margin:0 auto;padding:0 clamp(1.1rem,4vw,2.5rem)}section{padding:clamp(3.5rem,9vw,7rem) 0}.surface{background:var(--surface)}.pit{background:var(--pit)}.bar-top{z-index:10;background:color-mix(in srgb, var(--ground) 88%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--edge);position:sticky;top:0}.bar-top .wrap{align-items:center;gap:1.5rem;height:60px;display:flex}.mark{font-family:var(--display);letter-spacing:-.03em;color:var(--ink);align-items:center;gap:.4em;font-size:1.3rem;font-weight:700;text-decoration:none;display:flex}.mark:before{content:"";clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);background:linear-gradient(var(--brand-accent) 0 62%, var(--brand-cell) 62% 100%);flex:none;width:1.153em;height:1.333em}.bar-links{gap:1.4rem;margin-left:auto;display:flex}.bar-links a{color:var(--ink-dim);font-size:.92rem;text-decoration:none}.bar-links a:hover{color:var(--ink)}@media (width<=720px){.bar-links{display:none}.bar-top .wrap{gap:1rem}.bar-top .go{margin-left:auto}}.go,.ghost{font:inherit;cursor:pointer;border:0;border-radius:999px;align-items:center;gap:.5rem;padding:.8rem 1.5rem;font-weight:600;text-decoration:none;display:inline-flex}.go{background:var(--signal);color:var(--ground)}.go:hover{background:color-mix(in srgb, var(--signal) 82%, #fff)}.ghost{color:var(--ink);box-shadow:inset 0 0 0 1px var(--edge);background:0 0}.ghost:hover{box-shadow:inset 0 0 0 1px var(--ink-faint)}.bar-top .go{padding:.5rem 1.1rem;font-size:.92rem}.hero{padding-top:clamp(2.5rem,7vw,5rem)}.hero .wrap{grid-template-columns:minmax(0,1fr);align-items:center;gap:clamp(2.5rem,5vw,4rem);display:grid}@media (width>=900px){.hero .wrap{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.hero .wrap.single{grid-template-columns:minmax(0,1fr)}}p.lead{max-width:62ch;color:var(--ink-dim);margin:1.5rem 0 0;font-size:1.06rem}.hero p.lead{max-width:var(--measure)}.buttons{flex-wrap:wrap;gap:.8rem;margin-top:2rem;display:flex}.facts{font-family:var(--mono);color:var(--ink-faint);flex-wrap:wrap;gap:.4rem 1.2rem;margin-top:1.6rem;font-size:.76rem;display:flex}.facts span{align-items:center;gap:.45rem;display:flex}.facts span:before{content:"✓";color:var(--signal)}.who{max-width:var(--measure);border-top:1px solid var(--edge);color:var(--ink-faint);margin-top:1.4rem;padding-top:1.4rem;font-size:.9rem}.demo{background:var(--cell-alt);border:1px solid var(--edge);border-radius:14px;padding:1rem 1rem .5rem}.surface .demo,.pit .demo{background:var(--ground)}.board{aspect-ratio:1/.86;justify-content:center;align-items:center;max-height:420px;padding:10px 0;display:flex;overflow:hidden}.demo figcaption{color:var(--ink-faint);padding:.7rem .3rem .5rem;font-size:.86rem;line-height:1.5}.split{grid-template-columns:minmax(0,1fr);align-items:center;gap:clamp(2rem,4vw,3.5rem);display:grid}@media (width>=900px){.split{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}.prose{max-width:var(--measure);color:var(--ink-dim)}.hero .prose{max-width:48rem}.hero .prose p{max-width:var(--measure)}.prose>*+*{margin-top:1.1rem}.prose h2+p{margin-top:1.5rem}.declare{box-shadow:inset 0 0 0 1px var(--edge);border-radius:999px;margin:0 0 1rem;display:inline-flex;overflow:hidden}.declare button{color:var(--ink-faint);font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;cursor:pointer;background:0 0;border:0;padding:.55rem 1.1rem;font-size:.72rem}.declare button[aria-pressed=true]{background:var(--brass);color:var(--ground)}.ratios{flex-wrap:wrap;gap:.5rem;margin:1.4rem 0;padding:0;list-style:none;display:flex}.ratios li{background:color-mix(in srgb, var(--brass) 9%, transparent);box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--brass) 32%, transparent);font-family:var(--mono);color:var(--brass);border-radius:8px;padding:.5rem .9rem;font-size:.78rem}.ratios b{color:var(--ink);font-size:1.02rem;display:block}.table-scroll{margin:1.6rem 0;overflow-x:auto}.degrees{border-collapse:collapse;width:100%;min-width:26rem;font-size:.92rem}.degrees th{border-bottom:1px solid var(--edge);font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);text-align:left;padding:.5rem .8rem .5rem 0;font-size:.68rem;font-weight:400}.degrees td{border-bottom:1px solid color-mix(in srgb, var(--edge) 55%, transparent);color:var(--ink-dim);padding:.55rem .8rem .55rem 0}.degrees td:first-child,.degrees td:nth-child(2),.degrees td:nth-child(3){font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--brass)}.degrees td:nth-child(3){color:var(--ink)}.degrees .blank td{color:var(--ink-faint)}.degrees .blank td:nth-child(3){color:var(--ink-faint);font-style:italic}#archive-chart{min-height:220px}#archive-chart svg{width:100%;height:auto;display:block}.features{scroll-snap-type:x mandatory;overscroll-behavior-x:contain;scrollbar-width:none;scroll-behavior:smooth;border-radius:14px;gap:1.1rem;margin-top:2.8rem;display:flex;overflow-x:auto}.features::-webkit-scrollbar{display:none}.features:focus-visible{outline:2px solid var(--signal);outline-offset:4px}.features>.feature{scroll-snap-align:start;flex:0 0 min(86%,28rem)}.features-nav{justify-content:center;align-items:center;gap:1rem;margin-top:1.4rem;display:flex}.features-nav .dots{gap:.2rem;display:flex}.features-nav .dots button{cursor:pointer;background:0 0;border:0;place-items:center;width:1.6rem;height:1.6rem;padding:0;display:grid}.features-nav .dots button:before{content:"";background:var(--edge);border-radius:50%;width:7px;height:7px}.features-nav .dots button[aria-current=true]:before{background:var(--signal);box-shadow:0 0 7px color-mix(in srgb, var(--signal) 70%, transparent)}.step-by{border:1px solid var(--edge);width:2.4rem;height:2.4rem;color:var(--ink-dim);cursor:pointer;background:0 0;border-radius:50%;font-size:1.3rem;line-height:1}.step-by:hover:not(:disabled){color:var(--ink);border-color:var(--ink-faint)}.step-by:disabled{opacity:.35;cursor:default}.feature{background:var(--cell-alt);border:1px solid var(--edge);border-radius:14px;padding:1.6rem}.lamp{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);align-items:center;gap:.5rem;font-size:.68rem;display:flex}.lamp:before{content:"";background:var(--signal);width:7px;height:7px;box-shadow:0 0 7px color-mix(in srgb, var(--signal) 70%, transparent);border-radius:50%;flex:none}.feature h3{letter-spacing:-.01em;margin:.7rem 0 1.1rem;font-size:1.12rem}.feature ul{gap:.7rem;margin:0;padding:0;list-style:none;display:grid}.feature li{color:var(--ink-dim);padding-left:1.1rem;font-size:.92rem;line-height:1.55;position:relative}.feature li:before{content:"";background:var(--brass);width:6px;height:1px;position:absolute;top:.62em;left:0}.plans{grid-template-columns:minmax(0,1fr);gap:1.2rem;margin-top:2.5rem;display:grid}@media (width>=760px){.plans{grid-template-columns:repeat(2,minmax(0,1fr))}}.plan{background:var(--cell-alt);border:1px solid var(--edge);border-radius:14px;padding:1.8rem}.plan.paid{background:color-mix(in srgb, var(--signal) 8%, var(--cell-alt));border-color:color-mix(in srgb, var(--signal) 40%, transparent)}.plan h3{letter-spacing:0;font-size:1.05rem}.plan .price{font-family:var(--display);letter-spacing:-.03em;margin:.4rem 0 1rem;font-size:2rem;font-weight:700;display:block}.plan p{color:var(--ink-dim);font-size:.95rem}.plan .later{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);margin-top:1.2rem;font-size:.7rem;display:inline-block}.plans-table{border-collapse:collapse;width:100%;min-width:34rem;font-size:.92rem}.plans-table th{border-bottom:1px solid var(--edge);font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);text-align:left;padding:.5rem .8rem .6rem 0;font-size:.68rem;font-weight:400}.plans-table th:not(:first-child){width:11rem}.plans-table th:last-child{color:var(--signal)}.plans-table td{border-bottom:1px solid color-mix(in srgb, var(--edge) 55%, transparent);color:var(--ink-dim);vertical-align:top;padding:.6rem .8rem .6rem 0}.plans-table td:not(:first-child){font-family:var(--mono);font-size:.8rem}.plans-table .yes{color:var(--signal)}.plans-table .no{color:var(--ink-faint)}.plans-table .differs td{background:color-mix(in srgb, var(--signal) 5%, transparent)}.plans-table .differs td:first-child{color:var(--ink)}.end{text-align:center}.end h2{max-width:20ch;margin:0 auto}.end .buttons{justify-content:center}footer{border-top:1px solid var(--edge);color:var(--ink-faint);padding:2.5rem 0;font-size:.85rem}footer .wrap{flex-wrap:wrap;align-items:center;gap:1rem 1.5rem;display:flex}footer a{color:var(--ink-dim);text-decoration:none}footer a:hover{color:var(--ink)}footer .made{font-family:var(--mono);margin-left:auto;font-size:.75rem}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html,.features{scroll-behavior:auto}}.plain{padding:0;list-style:none}.plain li{padding-left:1.1rem;position:relative}.plain li+li{margin-top:.8rem}.plain li:before{content:"";background:var(--brass);width:.55rem;height:2px;position:absolute;top:.75em;left:0}.plain b{color:var(--ink);font-weight:600}.spectrum-demo{border-radius:6px;height:clamp(22rem,62vh,32rem)}.ensemble{background:#12151c;border-radius:6px;flex-direction:column;align-items:flex-start;gap:.4rem;padding:1.2rem 1.4rem 1.6rem;display:flex}.chord-name{color:#eceef299;font:800 2.75rem/1 system-ui,-apple-system,sans-serif}.chord-card{border:1.5px solid #c9a46a;border-radius:9px;flex-direction:column;gap:3px;padding:6px;font-family:system-ui,-apple-system,sans-serif;display:flex;box-shadow:0 0 18px #c9a46a59}.chord-row{border-left:3px solid var(--grade);color:#eceef2;background:#12151cf2;border-radius:5px;grid-template-columns:2.6em 2.2em 1.6em 2em;align-items:center;gap:0 .4em;padding:.15em .5em .15em .65em;font-size:1.3rem;display:grid}.chord-row .n{font-weight:600}.chord-row .n sup{opacity:.7;font-size:.58em;font-weight:500}.chord-row .c{text-align:right;color:var(--grade);font-weight:700}.chord-row .d{text-align:center;background:#262c39;border-radius:3px;font:700 .62em/1.5 system-ui,-apple-system,sans-serif}.chord-row .p{text-align:right;font-size:.7em;font-weight:700}.posts{max-width:48rem;margin:0;padding:0;list-style:none}.posts li+li{border-top:1px solid var(--edge)}.posts a{color:inherit;padding:1.6rem 0;text-decoration:none;display:block}.posts .eyebrow{margin-bottom:.6rem}.posts h2{margin:0 0 .6rem}.posts p{max-width:var(--measure);color:var(--ink-dim);margin:0}.posts a:hover h2,.posts a:focus-visible h2{color:var(--signal)}.post .prose h2{margin-top:2.6rem;font-size:1.35rem}.post .prose h2:first-child{margin-top:0}.post .prose .buttons{margin-top:2.6rem}.post time{color:inherit}